[PATCH] cifs: Add new mount parm mapchars (6a0b4824) · Commits · 戴 / test

fs/cifs/CHANGES

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		@@ -7,7 +7,9 @@ as new protocol extensions. Do not send Get/Set calls for POSIX ACLs
		unless server explicitly claims to support them in CIFS Unix extensions
		POSIX ACL capability bit. Fix packet signing when multiuser mounting with
		different users from the same client to the same server. Fix oops in
		cifs_close.
		cifs_close. Add mount option for remapping reserved characters in
		filenames (also allow recognizing files with created by SFU which have any
		of these seven reserved characters to be recognized).

		Version 1.31
		------------

fs/cifs/README

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		@@ -376,6 +376,17 @@ A partial list of the supported mount options follows:
		attributes) to the server (default) e.g. via setfattr
		and getfattr utilities.
		nouser_xattr Do not allow getfattr/setfattr to get/set xattrs
		mapchars Translate the seven reserved characters
		*?<>\|:\
		to the remap range (above 0xF000), which also
		allows the CIFS client to recognize files created with
		such characters by Windows's POSIX emulation. This can
		also be useful when mounting to most versions of Samba
		(which also forbids creating and opening files
		whose names contain any of these seven characters).
		This has no effect if the server does not support
		Unicode on the wire.
		nomapchars Do not translate any of these seven characters (default).

		The mount.cifs mount helper also accepts a few mount options before -o
		including:

fs/cifs/TODO

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		version 1.22 July 30, 2004
		version 1.32 April 3, 2005

		A Partial List of Missing Features
		==================================
		@@ -14,7 +14,7 @@ b) Better pam/winbind integration (e.g. to handle uid mapping
		better)

		c) multi-user mounts - multiplexed sessionsetups over single vc
		(ie tcp session) - prettying up needed, and more testing needed
		(ie tcp session) - more testing needed

		d) Kerberos/SPNEGO session setup support - (started)

		@@ -67,12 +67,15 @@ q) implement support for security and trusted categories of xattrs

		r) Implement O_DIRECT flag on open (already supported on mount)

		KNOWN BUGS (updated December 10, 2004)
		KNOWN BUGS (updated April 3, 2005)
		====================================
		See http://bugzilla.samba.org - search on product "CifsVFS" for
		current bug list.

		1) existing symbolic links (Windows reparse points) are recognized but
		can not be created remotely. They are implemented for Samba and those that
		support the CIFS Unix extensions but Samba has a bug currently handling
		symlink text beginning with slash
		support the CIFS Unix extensions, although earlier versions of Samba
		overly restrict the pathnames.
		2) follow_link and readdir code does not follow dfs junctions
		but recognizes them
		3) create of new files to FAT partitions on Windows servers can
		@@ -98,7 +101,5 @@ there are some easy changes that can be done to parallelize sequential writes,
		and when signing is disabled to request larger read sizes (larger than
		negotiated size) and send larger write sizes to modern servers.

		4) More exhaustively test the recently added NT4 support against various
		NT4 service pack levels, and fix cifs_setattr for setting file times and
		size to fall back to level 1 when error invalid level returned.

		4) More exhaustively test against less common servers. More testing
		against Windows 9x, Windows ME servers.

fs/cifs/cifs_fs_sb.h

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		@@ -23,6 +23,7 @@
		#define CIFS_MOUNT_SERVER_INUM 4 /* inode numbers from uniqueid from server */
		#define CIFS_MOUNT_DIRECT_IO 8 /* do not write nor read through page cache */
		#define CIFS_MOUNT_NO_XATTR 0x10 /* if set - disable xattr support */
		#define CIFS_MOUNT_MAP_SPECIAL_CHR 0x20 /* remap illegal chars in filenames */

		struct cifs_sb_info {
		struct cifsTconInfo tcon; / primary mount */

fs/cifs/cifsproto.h

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		@@ -212,6 +212,8 @@ extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
		extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
		const unsigned char searchName, __u64 inode_number,
		const struct nls_table *nls_codepage);
		extern int cifs_convertUCSpath(char target, const __u16 source, int maxlen,
		const struct nls_table * codepage);
		#endif /* CONFIG_CIFS_EXPERIMENTAL */

		extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,

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